Questions from General Chemistry

Q: Briefly explain why the sparingly soluble product must be removed by filtration

Briefly explain why the sparingly soluble product must be removed by filtration before you back-titrate the excess silver ion in the Volhard determination of

Q: A method for the determination of the corticosteroid methylprednisolone acetate in solutions

A method for the determination of the corticosteroid methylprednisolone acetate in solutions obtained from pharmaceutical preparations yielded a mean value of 3.7 mg mL-1with a standard deviation of 0...

Q: Why does the charge on the surface of precipitate particles change sign

Why does the charge on the surface of precipitate particles change sign at the equivalence point of a titration?

Q: Outline a method for the determination of K+ based on argentometry

Outline a method for the determination of K+ based on argentometry. Write balanced equations for the chemical reactions.

Q: Outline a method for the determination of K+ based on argentometry

Outline a method for the determination of K+ based on argentometry. Write balanced equations for the chemical reactions.

Q: What is the difference between molar species concentration and molar analytical concentration

What is the difference between molar species concentration and molar analytical concentration?

Q: Convert the following p-functions to molar concentrations: a

Convert the following p-functions to molar concentrations: a. pH = 1.102. b. pOH = 0.0057. c. pBr = 7.77. d. pCa = -0.221. e. pLi = 12.35. f. pNO3 = 0.054. g. pMn = 0.135. h. pCl = 8.92.

Q: The phosphorus in a 0.3019-g sample was precipitated

The phosphorus in a 0.3019-g sample was precipitated as the slightly soluble 1NH423PO4 . 12MoO3. This precipitate was filtered, washed, and then redissolved in acid. Treatment of the resulting solutio...

Q: Write equations in terms of the acid dissociation constants and [H

Write equations in terms of the acid dissociation constants and [H+] for the highest alpha value for each of the following weak acid ligands:

Q: Write conditional formation constants for 1:1 complexes of Al(

Write conditional formation constants for 1:1 complexes of Al(III) with each of the ligands in Problem 15-11. Express these constants in terms of the α value and the formation constant and in terms of...